%0 Journal Article
%T Pseudogap and Superconducting Gap in SmFeAs(O1-xFx) Superconductor from Photoemission Spectroscopy<br>
%A Hai-Yun
%A JIA Xiao-Wen
%A ZHANG Wen-Tao
%A ZHAO Lin
%A MENG Jian-Qiao
%A LIU Guo-Dong
%A DONG Xiao-Li
%A WU Gang
%A LIU Rong-Hua
%A CHEN Xian-Hui
%A REN Zhi-An
%A YI Wei
%A CHE Guang-Can
%A CHEN Gen-Fu
%A WANG Nan-Lin
%A WANG Gui-Ling
%A ZHOU Yong
%A ZHU Yong
%A WANG Xiao-Yang
%A ZHAO Zhong-Xian
%A XU Zu-Yan
%A CHEN Chuang-Tian
%A ZHOU Xing-Jiang
%A <br>
%J 中国物理快报
%D 2008
%I 
%X High resolution photoemission measurements are carried out on non-superconducting SmOFeAs parent compound and superconducting SmFeAs(O1-xFx) (x=0.12, and 0.15) compounds. The momentum-integrated spectra exhibit a clear Fermi cutoff that shows little leading-edge shift in the superconducting state. A robust feature at 13meV is identified in all these samples. Spectral weight suppression near EF with decreasing temperature is observed in both undoped and doped samples that points to a possible existence of a pseudogap in these Fe-based compounds.
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%K 70
%K -b
%K 74
%K 25
%K Jb
%K 79
%K 60
%K -i
%K 71
%K 20
%K -b<br>
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=E27DA92E19FE279A273627875A70D74D&aid=599AAF6CE256D73D741FBF32C2DBA571&yid=67289AFF6305E306&vid=C5154311167311FE&iid=F3090AE9B60B7ED1&sid=12A0FE51BDE98644&eid=8186E66F9E0B3FE2&journal_id=0256-307X&journal_name=中国物理快报&referenced_num=0&reference_num=0